Specifications:
Battery Voltage：7.6V
Battery Capacity: 51Wh/6375mAh
Condition: 100% New from Manufacturer
Battery Type:Li-ion

Compatible Part Numbers：
52TWH MM6M8 0MM6M8 XX3T7 0XX3T7

Compatible With Laptop Models (Use "Ctrl+F” to find your model quickly)
Dell XPS 13 7390 2-in-1 Series
Dell P103G P103G001 P103G002
Dell XPS 13 7390 Series
13-7390-D1505TB, 13-7390-D1505TW, 13-7390-D1705TW, 13-7390-D1805TB, 13-7390-D1705S, 13-7390-D1605W,
13-7390-D1 705W, 13-7390-D1805S, 13-7390-D1805TW, 13-7390-D1905S, 13-7390-D1505W, 13-7390-D1705TB, 13-7390-D1705W

Why the laptop does not recognize the battery？
·Could be caused by battery loose. Please re-install the battery and make sure that the battery cable and the motherboard interface are tightly inserted.
·Maybe due to conductive material damaged which the laptop motherboard and battery anode and cathode contact position, you can try to confirm it with your original battery.
·Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update.
·There is a problem with the computer detection software, which usually just restart the computer.